Patents by Inventor Rudolf J. Dams

Rudolf J. Dams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9057012
    Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound. The fluoropolyether compound: is represented by formula Rf—[C(0)-NR1—X?—(Z)m]n; or comprises at least one first divalent unit represented by formula (I) and, at least one of, a second divalent unit comprising a pendant Z group; or a monovalent unit comprising a thioether linkage and at least one terminal Z group. Each Rf is independently a fluoropolyether group. Rf is a monovalent or divalent fluoropolyether group, and each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Hydrocarbon-bearing formations treated according to this method are also disclosed.
    Type: Grant
    Filed: December 14, 2009
    Date of Patent: June 16, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Jimmie R. Baran, Jr., Yong K. Wu
  • Publication number: 20150147579
    Abstract: A composition comprising at least one first divalent unit represented by formula: and at least one of a second divalent unit comprising a pendant Z group or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently selected from the group consisting of —P(O)(OY)2 and —O—P(O)(OY)2. R? and R?? are each independently selected from the group consisting of hydrogen and alkyl having from 1 to 4 carbon atoms. Y is selected from the group consisting of hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.
    Type: Application
    Filed: January 30, 2015
    Publication date: May 28, 2015
    Inventors: Chetan P. Jariwala, Gregory D. Clark, Jason T. Petrin, Rudolf J. Dams, Steven J. Martin, Mark J. Pellerite
  • Patent number: 9023977
    Abstract: A method of making a fluoropolyether elastomer containing triazine groups and having a glass transition temperature of less than ?40° C.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: May 5, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Steven G. Corveleyn, Rudolf J. Dams, Werner M. A. Grootaert, Gregg D. Dahlke, Miguel A. Guerra
  • Patent number: 8945712
    Abstract: A polymeric or oligomeric composition comprising at least one first divalent unit represented by formula: and at least one of a second divalent unit comprising a pendant phosphonate group —P(O)(OY)2 or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently —P(O)(OY)2 or —O—P(O)(OY)2. Rf is a perfluoropolyether group. Q is a bond, —C(O)—N(R1)—, or —C(O)—O—. R?, R??, R and R1 are each independently hydrogen and alkyl having from 1 to 4 carbon atoms. X is alkylene, arylalkylene, and alkylarylene, wherein alkylene, arylalkylene, and alkylarylene are each optionally interrupted by at least one ether linkage. Y is hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: February 3, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Steven J. Martin, Mark J. Pellerite, Chetan P. Jariwala, Gregory D. Clark, Jason T. Petrin
  • Patent number: 8833449
    Abstract: Method of treating a carbonate hydrocarbon-bearing formation. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amphoteric compound. Carbonate hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: September 16, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Steven J. Martin, Yong K. Wu
  • Patent number: 8808786
    Abstract: Medicinal inhalation devices and components having a non-metal coating and a fluorine-containing coating bonded to the non-metal coating wherein the fluorine-containing coating comprises an at least partially fluorinated compound comprising at least one functional group which shares at least one covalent bond with the non-metal coating are provided. In some embodiments, the partially fluorinated compound comprises a polyfluoropolyether silane of Formula Ia: Rf[Q-[C(R)2—Si(Y)3-x(R1a)x]y]z??Ia wherein: Rf is a monovalent or multivalent polyfluoropolyether segment; Q is an organic divalent or trivalent linking group; each R is independently hydrogen or a C1-4 alkyl group; each Y is independently a hydrolysable group; R1a is a C1-8 alkyl or phenyl group; x is 0 or 1 or 2; y is 1 or 2; and z is 1, 2, 3, or 4. Methods of making the devices and components are also provided.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: August 19, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Philip A. Jinks, Moses M. David, Rudolf J. Dams
  • Patent number: 8678090
    Abstract: A method of treating a hydrocarbon-bearing formation and treated hydrocarbon-bearing formations. The method includes contacting the hydrocarbon-bearing formation with a composition having solvent and a fluorinated polymer. The fluorinated polymer has units having formula (I): A method for making a composition containing these units is also disclosed.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: March 25, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Jimmie R. Baran, Jr., Michael S. Terrazas, Rudolf J. Dams, George G. I. Moore
  • Publication number: 20140073737
    Abstract: There is provided a curable composition comprising: a) fluoropolyethers having a molecular weight of from about 400 g/mole up to about 20,000 g/mole and containing moieties selected from (—(CF2)4O—), (—(CF2)2O—), (—CF2O—) or combinations thereof and further containing at least one nitrile group at a terminal position or at a position that is adjacent to the terminal position; and b) one or more curing agents selected from non-fluorinated compounds containing one or more functional group linked to a common residue, said residue containing at least three carbon atoms wherein the functional groups are selected from primary amines, secondary amines and functional groups that generate primary or secondary amines upon heat treatment, wherein the composition can be cured by generating groups having a triazine structure. Also provided are cured composition, methods of making cured compositions, articles made by curing the cured compositions and methods of making articles using the curable composition.
    Type: Application
    Filed: February 24, 2012
    Publication date: March 13, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Miguel A. Guerra, Rudolf J. Dams, Steven G. Corveleyn
  • Patent number: 8669319
    Abstract: A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. A composition comprising the polymer is provided. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: March 11, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Suresh S. Iyer, Chetan P. Jariwala, Thomas P. Klun, Inge Nuyts
  • Publication number: 20140066572
    Abstract: A curable composition is provided. The curable composition has at least one functionalized fluoropolyether and at least one radical curing system. Further provided are fluoroelastomer compositions having a glass transition temperature of less than ?40° C. and shaped articles comprising fluoroelastomers having glass transition temperatures of less than ?40° C. obtained by curing the curable compositions. Also described are methods of making fluoroelastomer compositions having glass transition temperatures of less than ?40° C.
    Type: Application
    Filed: March 13, 2012
    Publication date: March 6, 2014
    Inventors: Steven G. Corveleyn, Miguel A. Guerra, Rudolf J. Dams, Tom Opstal
  • Patent number: 8663741
    Abstract: There is provided a method of treatment including (i) applying a treatment composition to at least a portion of the surface of a wheel rim and (ii) allowing a thus applied treatment composition to cure. There is also provided compounds and compositions useful in the method.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: March 4, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Bernd Kuehneweg, Leonardus Doelen, Frank Koehler, Christoph Furtak, Frans A. Audenaert
  • Publication number: 20140058003
    Abstract: Foamable compositions are provided that include at least one blowing agent, at least one foamable polymer or a precursor composition thereof, and a nucleating agent. The nucleating agent includes a fluorinated oxirane which, in some embodiments, can have up to a maximum of three hydrogen atoms. The fluorinated oxiranes can have a total of from about 2 to about 12 carbon atoms. Also provided is a process for preparing a polymeric foam and a composition that includes a blowing agent and a nucleating agent comprising a fluorinated oxirane.
    Type: Application
    Filed: April 10, 2012
    Publication date: February 27, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: John G. Owens, Zhongxing Zhang, Rudolf J. Dams
  • Patent number: 8633288
    Abstract: Compounds represented by formula (Rf-Q-X)s—Z. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rfa-(O)r—CHF—(CF2)n—; [Rfb-(O)tC(L)H—CF2—O]m—W—; CF3CFH—O—(CF2)p—; CF3—(O—CF2)z—; and CF3—O—(CF2)3—O—CF2—. Methods of reducing surface tension of a liquid, making foams, and treating a surface using the compounds are also disclosed.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: January 21, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Michael S. Terrazas, Klaus Hintzer, Zai-Ming Qiu, Miguel A. Guerra, Andreas R. Maurer, Harald Kaspar, Kai H. Lochhaas, Michael Juergens, Tilman C. Zipplies, Werner Schwertfeger
  • Publication number: 20140014330
    Abstract: A method of treating a siliciclastic, hydrocarbon-bearing formation is disclosed. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amine oxide. Siliciclastic, hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Application
    Filed: January 13, 2012
    Publication date: January 16, 2014
    Inventors: Rudolf J. Dams, Yong K. Wu, Steven J. Martin, Douglas E. Johnson
  • Patent number: 8629089
    Abstract: Method comprising contacting a hydrocarbon-bearing formation with a composition comprising solvent and a fluoropolyether compound, wherein the fluoropolyether compound comprises at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rfa—(O)t—CHL?-(CF2)n—; [Rfa—(O)t—C(L)H—CF2)—O]m—W—; Rfb—O—(CF2)p-; F(CkF2k)—(O—CkF2K(p—O—CF2—; and CF3—O—(CF2)3—OCF(CF3)—CF2)z—O-L1-. Treated hydrocarbon-bearing formations are also disclosed.
    Type: Grant
    Filed: December 17, 2009
    Date of Patent: January 14, 2014
    Assignee: 3M Innovative Properties Company
    Inventor: Rudolf J. Dams
  • Patent number: 8616201
    Abstract: A medicinal inhalation device having applied to a surface thereof a composition comprising a multifunctional polyfluoropolyether silane.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: December 31, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Philip A. Jinks, Rudolf J. Dams
  • Patent number: 8614275
    Abstract: A composition comprises a polymer having a first pendant group selected from at least one perfluorinated ether group or perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant group is free of silicon, and a third pendant group comprising an ammonium group and a reactive silicon-containing group. The polymer and composition are useful for protecting a substrate, for example, to render the substrate oil repellent, water repellent, or both, or to provide stain repellency to the substrate.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: December 24, 2013
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf J. Dams, Thomas P. Klun, Inge Nuyts
  • Publication number: 20130338271
    Abstract: The present disclosure relates to a degradable material comprising (a) from about 60 weight percent to about 97 weight percent of a first material based on the total weight of the degradable material, and (b) from about 3 weight percent to about 40 weight percent of a second material based on the total weight of the degradable material, where the second material is an oligomer comprising lactate and giycolate. In another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a Tg less than 56° C. In still another aspect, the present disclosure provides a degradable material comprising (a) poly lactic acid, and (b) an oligomer comprising lactate and giycolate, wherein the degradable material has a tan delta peak of less than 65° C.
    Type: Application
    Filed: December 8, 2011
    Publication date: December 19, 2013
    Applicant: 3M Innovative Properties Company
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130310491
    Abstract: There is provided self-degrading fibers, and methods of making and methods of using such self-degrading fibers.
    Type: Application
    Filed: December 8, 2011
    Publication date: November 21, 2013
    Applicant: 3M 9NNOVATIVE PROPERTIES COMPANY
    Inventors: Michael D. Crandall, Rudolf J. Dams, Michelle M. Hewitt, Ignatius A. Kadoma, Siegmund Papp, Yong K. Wu, Daniel J. Zillig, Jay M. Jennen, Sasha B. Myers
  • Publication number: 20130269932
    Abstract: A method of treating a carbonate hydrocarbon-bearing formation is disclosed. The method includes contacting the hydrocarbon-bearing formation with a composition comprising solvent and a fluorinated amine oxide. Carbonate hydrocarbon-bearing formations treated according to the method are also disclosed.
    Type: Application
    Filed: December 20, 2011
    Publication date: October 17, 2013
    Inventors: Rudolf J. Dams, Yong K. Wu, Steven J. Martin